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Arte-miy333 [17]
3 years ago
7

What are the steps to solve 5x+7+3x-4=?

Mathematics
2 answers:
Agata [3.3K]3 years ago
7 0

Answer:

x= -3 / 8

Step-by-step explanation:

5x+7+3x-4=0

Sum 5x and 3x

8x+7-4=0

Subtract 7-4

8x+3=0

Move the constant to the other side and change his symbol with his opposite

8x=-3

8 is multiplying x, the opposite of multiplying is dividing, so it divide the -3 (under it)

x= -3 / 8

Otrada [13]3 years ago
6 0
Answer:
8x + 3

Explanation:
5x + 3x = 8x
7 + -4 = 3
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for example, let's look at the first set

y+3x =5   or  y = -3x+ 5
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the slopes are equal, the y-intercepts differ
that means, they're just parallel lines, no solution
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